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[3.19.y-ckt,62/66] net: bcmgenet: device stats are unsigned long

Message ID 1461702297-7792-63-git-send-email-kamal@canonical.com
State New
Headers show

Commit Message

Kamal Mostafa April 26, 2016, 8:24 p.m. UTC 
3.19.8-ckt20 -stable review patch.  If anyone has any objections, please let me know.

---8<------------------------------------------------------------

From: Eric Dumazet <edumazet@google.com>

commit 6517eb59b03965689e6bb16bb2d480096b3ef95d upstream.

On 64bit kernels, device stats are 64bit wide, not 32bit.

Fixes: 1c1008c793fa4 ("net: bcmgenet: add main driver file")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
---
 drivers/net/ethernet/broadcom/genet/bcmgenet.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 209b572..2a13c58 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -714,7 +714,11 @@  static void bcmgenet_get_ethtool_stats(struct net_device *dev,
 		else
 			p = (char *)priv;
 		p += s->stat_offset;
-		data[i] = *(u32 *)p;
+		if (sizeof(unsigned long) != sizeof(u32) &&
+		    s->stat_sizeof == sizeof(unsigned long))
+			data[i] = *(unsigned long *)p;
+		else
+			data[i] = *(u32 *)p;
 	}
 }